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Immune Memory Response After a Booster Injection of mRNA-1273 for Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2)
Laurence Chu; David Montefiori; Wenmei Huang; Biliana Nestorova; Ying Chang; Andrea Carfi; Darin K Edwards; Judy Oestreicher; Holly Legault; Bethany Girard; Rolando Pajon; Jacqueline M Miller; Rituparna Das; Brett Leav; Roderick McPhee.
Afiliação
  • Laurence Chu; Benchmark Research
  • David Montefiori; Duke University
  • Wenmei Huang; Moderna, Inc.
  • Biliana Nestorova; Moderna, Inc.
  • Ying Chang; Moderna, Inc.
  • Andrea Carfi; Moderna, Inc.
  • Darin K Edwards; Moderna Inc
  • Judy Oestreicher; Moderna, Inc.
  • Holly Legault; Moderna, Inc.
  • Bethany Girard; Moderna, Inc.
  • Rolando Pajon; Moderna, Inc.
  • Jacqueline M Miller; Moderna, Inc.
  • Rituparna Das; Moderna, Inc.
  • Brett Leav; Moderna, Inc.
  • Roderick McPhee; Moderna
Preprint em En | PREPRINT-MEDRXIV | ID: ppmedrxiv-21264089
ABSTRACT
Rising breakthrough infections of coronavirus-2 (SARS-CoV-2) in previously immunized individuals has raised concerns for a booster to combat suspected waning immunity and new variants. Participants immunized 6-8 months earlier with a primary series of two doses of 50 or 100 {micro}g of mRNA-1273 were administered a booster injection of 50 {micro}g of mRNA-1273. Neutralizing antibody levels against wild-type virus and the Delta variant at one month after the booster were 1.7-fold and 2.1-fold higher, respectively, than those 28 days post primary series second injection indicating an immune memory response. The reactogenicity after the booster dose was similar to that after the second dose in the primary series of two doses of mRNA-1273 (50 or 100 {micro}g) with no serious adverse events reported in the one-month follow-up period. These results demonstrate that a booster injection of mRNA-1273 in previously immunized individuals stimulated an immune response greater than the primary vaccination series.
Licença
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Texto completo: 1 Coleções: 09-preprints Base de dados: PREPRINT-MEDRXIV Tipo de estudo: Cohort_studies / Prognostic_studies Idioma: En Ano de publicação: 2021 Tipo de documento: Preprint
Texto completo: 1 Coleções: 09-preprints Base de dados: PREPRINT-MEDRXIV Tipo de estudo: Cohort_studies / Prognostic_studies Idioma: En Ano de publicação: 2021 Tipo de documento: Preprint
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